import Image,ImageDraw,ImageFont
import random

class RandomChar():
    @staticmethod
    def Unicode():
        val = random.randint(0x4E00, 0x9FBF)
        return unichr(val)
    @staticmethod
    def GB2312():    
        head = random.randint(0xB0, 0xCF)
        body = random.randint(0xA, 0xF)
        tail = random.randint(0, 0xF)
        val = ( head << 8 ) | (body << 4) | tail
        stri = "%x" % val
        return stri.decode('hex').decode('gb2312','ignore') 
class ImageChar():    
    def __init__(self,fontColor = (0, 0, 0),size = (100, 40),fontPath = "msyh.ttf",bgColor = (255, 255, 255),fontSize = 20):    
        self.size = size
        self.fontPath = fontPath
        self.bgColor = bgColor
        self.fontSize = fontSize
        self.fontColor = fontColor
        self.font = ImageFont.truetype(self.fontPath, self.fontSize)
        self.image = Image.new('RGB', size, bgColor)  
    def rotate(self):
        self.image.rotate(random.randint(0, 30), expand=0)  
    def drawText(self, pos, txt, fill):
        draw = ImageDraw.Draw(self.image)
        draw.text(pos, txt, font=self.font, fill=fill)
        del draw  
    def randRGB(self):
        return (random.randint(0, 255),
        random.randint(0, 255),
        random.randint(0, 255))  
    def randPoint(self):
        (width, height) = self.size
        return (random.randint(0, width), random.randint(0, height))  
    def randLine(self, num):
        draw = ImageDraw.Draw(self.image)
        for i in range(0, num):
            draw.line([self.randPoint(), self.randPoint()], self.randRGB())
        del draw  
    def randChinese(self, num):
        VAR=[]
        gap = 5
        start = 0
        for i in range(0, num):
            x = start + self.fontSize * i + random.randint(0, gap) + gap * i
            va=RandomChar().GB2312()
            VAR.append(va)
            self.drawText((x, random.randint(-5, 5)),VAR[i], self.randRGB())
            self.rotate()
        self.randLine(6)
#        print 'ic',VAR 
        return VAR 
    def save(self, path):
        self.image.save(path)






